#!/bin/bash

# Slackware build script for gnu-unifont

# Copyright 2010 crocket (crockabiscuit@gmail.com)
# Copyright 2013-2015 LukenShiro, Italy
# Copyright 2019-2022 Tomasz Bywalec
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

cd $(dirname $0) ; CWD=$(pwd)

PRGNAM=gnu-unifont
VERSION=${VERSION:-15.0.01}
BUILD=${BUILD:-1}
TAG=${TAG:-_SBo}
PKGTYPE=${PKGTYPE:-tgz}

ARCH=noarch

# If the variable PRINT_PACKAGE_NAME is set, then this script will report what
# the name of the created package would be, and then exit. This information
# could be useful to other scripts.
if [ ! -z "${PRINT_PACKAGE_NAME}" ]; then
  echo "$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE"
  exit 0
fi

TMP=${TMP:-/tmp/SBo}
PKG=$TMP/package-$PRGNAM
OUTPUT=${OUTPUT:-/tmp}

SRCNAM=unifont
DOCFILES="ChangeLog COPYING INSTALL NEWS README"
FONTFORMATS=${FONTFORMATS:-otf,ttf,pcf,psf,otb}

contains()
{
    echo "$1" | grep -qi "\(^\|,\)$2\($\|,\)"
}

set -e

rm -rf $PKG
mkdir -p $TMP $PKG $OUTPUT
cd $TMP
rm -rf $SRCNAM-$VERSION
tar xvf $CWD/$SRCNAM-$VERSION.tar.gz
cd $SRCNAM-$VERSION
chown -R root:root .
find -L . \
 \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \
  -o -perm 511 \) -exec chmod 755 {} \; -o \
 \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \
  -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;

FONTSCOPIED=0

cd font/precompiled

if contains "$FONTFORMATS" "pcf"; then
    mkdir -p $PKG/usr/share/fonts/misc
    cp -a *.pcf.gz $PKG/usr/share/fonts/misc

    FONTSCOPIED=1
fi

if contains "$FONTFORMATS" "otf"; then
    mkdir -p $PKG/usr/share/fonts/OTF
    cp -a *.otf $PKG/usr/share/fonts/OTF

    FONTSCOPIED=1
fi

if contains "$FONTFORMATS" "ttf"; then
    mkdir -p $PKG/usr/share/fonts/TTF
    cp -a *.ttf $PKG/usr/share/fonts/TTF

    FONTSCOPIED=1
fi

if contains "$FONTFORMATS" "psf"; then
    mkdir -p $PKG/usr/share/kbd/consolefonts
    cp -a *.psf.gz $PKG/usr/share/kbd/consolefonts

    FONTSCOPIED=1
fi

if contains "$FONTFORMATS" "otb"; then
    mkdir -p $PKG/usr/share/fonts/misc

    # Find BDF and PCF fonts and convert them to OTB format.
    # If a font exists in both formats then convert the file in BDF format,
    # as this is the preferred input format for the 'fonttosfnt' tool.

    echo *.bdf.gz | tr ' ' '\n' | sort | sed 's/\.bdf\.gz$//g' > bdf-fonts
    echo *.pcf.gz | tr ' ' '\n' | sort | sed 's/\.pcf\.gz$//g' > pcf-fonts

    comm -2 bdf-fonts pcf-fonts | tr -d '\t' | \
    while read font_name; do
        input_font_file="${font_name}.bdf.gz"
        echo "Converting '$input_font_file' to OTB format."

        zcat "$input_font_file" | \
        fonttosfnt -o "$PKG/usr/share/fonts/misc/${font_name}.otb"
    done

    comm -13 bdf-fonts pcf-fonts | \
    while read font_name; do
        input_font_file="${font_name}.pcf.gz"
        echo "Converting '$input_font_file' to OTB format."

        fonttosfnt -o "$PKG/usr/share/fonts/misc/${font_name}.otb" \
                   "$input_font_file"
    done

    FONTSCOPIED=1
fi

cd -

if [ "$FONTSCOPIED" -eq 0 ]; then
    echo
    echo "No fonts selected to be included in the package."
    echo "Please check value of the FONTFORMATS environment variable."
    exit 1
fi

# Keep the fonts names unversioned
find -L $PKG/usr/share -type f -name "*-$VERSION*" -exec rename -- "-$VERSION" '' {} \;

mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION
cp -a $DOCFILES $PKG/usr/doc/$PRGNAM-$VERSION
cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild

mkdir -p $PKG/install
cat $CWD/slack-desc > $PKG/install/slack-desc
cat $CWD/doinst.sh > $PKG/install/doinst.sh

cd $PKG
/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.$PKGTYPE
